Fig. 6

Biomechanical torsional test results for the native metacarpal (MCn) and metatarsal (MTn) bones (a-d). a shows the results for the torsional stiffness in Nm/° without a statistical significant difference beween both bone types. b shows the maximum torsional moment until failure (Mmax in Nm) with a significant higher value for the metatarsal bones (p = 0.017). c shows the results for the angle at Mmax in ° with a significant larger angle for the native MT bones (p < 0.001). d shows a significant higher energy to failure (in Nm rad) for the native MT bones compared to the native MC bones (p = 0.002)